JPS59125507A - Cloth for bag - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a fabric for bags, and particularly to a fabric for bags suitable for sports bags, Boston bags, lesson bags, school bags, etc.

Conventionally, polyamide filament 7 was used as fabric for bags.
Fabrics made of rat yarn are mainly used.

However, although such woven fabrics are satisfactory in terms of strength, they not only have disadvantages such as having a slimy feel and luster peculiar to the use of filament yarns, the threads easily slipping together, and poor workability, but also have a bulky feel. It has disadvantages such as lack of quality (thinness).

The present inventors have arrived at the present invention as a result of intensive research in order to provide fabric for bags that does not have the above-mentioned drawbacks. That is, the present invention has a fineness of 3 in either or both of the warp and weft.
This fabric for bags is characterized by being made of a fabric woven using synthetic filament processed yarn of 00 to 1500 deniers and subjected to water-repellent or waterproof finishing.

Due to the use of filament-processed yarn, the fabric according to the present invention does not have the disadvantages of sliminess and slippage that are characteristic of flat yarns, has a spun-like texture, is bulky, and has excellent processability.
It has characteristics such as excellent color development.

Synthetic filament-processed yarns used in the present invention include polyamide filament-processed yarns such as nylon 6 and nylon 6.6, polyester filament-processed yarns such as polyethylene terephthalate and polytetramethylene terephthalate, and other synthetic filament yarns mainly containing the above structural units. Examples include filament yarns copolymerized with a copolymerizable component, and filament yarns made of blends or composites of these polymers, with polyamide filament yarns being particularly preferred. It is particularly preferable to use a hot air jet method as the method for producing the textured yarn, but it is also possible to produce it by false twisting or the like.

The fineness of processed yarn is usually 300 to 1500 deniers,
Preferably it is 500 to 1000 deniers. Moreover, it is preferable that the strength is 29/d or more. The single yarn denier is usually preferably about 8 to 15 denier.

If the fineness is less than 300 denier, the physical properties as a fabric for bags will be insufficient, while if it exceeds 1,500 denier, there will be defects such as impairing sewing properties, flexibility, appearance, etc. The cross-sectional shape of the filament may be either round or irregularly shaped;
Preferably, it has a triangular cross section. The processed yarn used preferably has a crimp rate of 15% or more and a hot water crimp fastness of 10% or more, and more preferably a crimp rate of 18% or more and a hot water crimp fastness of 13% or more. is particularly preferably 0, and the water purification shrinkage rate is 12% or less, preferably 8% or less. A processed yarn that satisfies the above physical property values has particularly excellent workability, spun-like texture, and bulkiness.

In the present invention, such processed yarns are used for either one or both of the warp and weft to create ordinary plain weave, dobby pattern,
It is woven into textiles such as jacquard patterns. Further, a part of the textured yarn may be replaced with 7-rat yarn without departing from the gist of the present invention.

Furthermore, a combination of a filament processed yarn made of regular polymer and a cationically dyeable flat yarn, the reverse combination of regular poly Y-d, a combination of a filament processed yarn made of a regular polymer and a cationically dyeable filament processed yarn, It is also possible to dye different colors by combining polyamide filament processed yarn and polyester filament processed yarn, or by combining three or more types.

Furthermore, by using at least a portion of the cationic dyeable polyester filament, the durability of water repellency and/or waterproofing is further improved.

The fabric thus obtained is treated to be water-repellent and/or waterproof to obtain fabric for bags, and if desired, it can be colored by dyeing or printing. Dyeing is usually done before water-repellent and/or waterproofing.

It is usually preferable to apply water repellent treatment after waterproofing. The water repellent finish is organopolysiloxane, fluorine water and oil repellent, stearylamide methylpyridinium chloride, octadecyl ethylene? Water repellents such as rare water repellents may be used alone or in combination of two or more, or if desired, an N-methylol compound, a reactive acrylic polymer, etc. may be added to the water repellent. Particularly preferred tLl/'t17) is a perfluoroalkyl group-containing water and oil repellent finishing agent. This processing can significantly improve water repellency and durability due to the synergistic effect of improved bulk and processability due to the use of processed yarn.

It goes without saying that an antistatic agent, stain removability improver, etc. can be added to the processing agent as desired.

The present invention will be explained below with reference to Examples, but the present invention is not limited to the Examples. In addition, various tests in the examples were conducted according to the following measurement methods.

1) Slip strength J-S L1096, 6J4, 3. Pin hooking is legal.Crimp rate (%) 100℃ x 6 minutes for polyester filament processed yarn, 6 minutes for polyamide filament processed yarn
The sample was subjected to hot water treatment at 0° C. for 120 minutes under no load, and the sample was taken out from the hot water and a load of 0.2 g/d was applied while it was still wet, and the length was measured (Ae'').

Then, the load was removed and dried under no load at 60°C for 30 minutes, and after conditioning under standard ambient air, 0.002g
Apply an initial load of /d and measure the length after 1 minute (Bcll
).

Crimp development rate (%) --
5 minutes, 6o″cgo for polyamide filament processed yarn
It is treated with hot water, taken out from the hot water, and subjected to a load of 29/rl in a wet state, and the length is measured after 30 seconds (A2).

It was then dried for 60'030 minutes under no load, and after conditioning under ambient air under standard conditions, 0.002 Gl
/d (Apply D initial load and measure the length after 3o8+ (
BclI).

-A 4) Hot water shrinkage rate (%) Apply an initial load of 0.19/d and measure the length after 30 seconds (Acxa).

Next, an initial load of 0.1 g/d was applied, and polyester filament-processed yarn was treated with hot water at 100°C for 20 minutes, and polyamide filament-processed yarn was treated with hot water for 60.020 minutes.
℃ for 20 minutes, apply an initial load of 0.19/a again, and
Measure the length after 0 seconds (BclI).

Hot water shrinkage rate (%) = -X 100 6) Waterproofness - water repellency L-1092 Human method Water resistance % Spray method water repellency Example L Nylon 6 filament processed thread, 500d/644.

Number of additional twists: 60 T/+m, strength: 2.59/d, elongation: 45
%, crimp rate 21.1%, hot water crimp fastness 15.0%
, a hot water shrinkage rate of 4.5%, using a triangular cross-sectional shape as the warp and weft, and woven with a water jet loom loom to a width of 10P! cm, finished density warp 522/d inch, weft 32/inch plain weave.

The obtained woven fabric was scoured at 80°C and then jigger dyed for 100'040 minutes using an acid dye.

Next, 159/vl of acrylic ester resin was applied using a floating knife coater for waterproofing, and then padded with a 1% solution of fluorine water and oil repellent (squeezing ratio: 80%) and dried (1!!0-01 minutes). ), heat treatment (180
The performance of the obtained treated fabric was compared with that of a conventional product using 7-rat yarn, and is shown in Table 1.

Table 1 As a result, the fabric of the present invention did not have the slip or slimy feel characteristic of long fibers, had a spun-like, voluminous texture, and was excellent in waterproofness and water repellency.

9 Example 2 Nylon 6-filament flat yarn, 4204/4
8f is the warp, cation dyeable nylon 6 filament processed yarn, 1oood/64f1 strength 2.69
/a% elongation 48%, crimp development rate 23%, hot water crimp fastness 15%, hot water shrinkage rate 6.5%, using a triangular cross-sectional shape as the weft, woven with a water jet loom loom. A plain weave was woven with a rising width of 102 cII, a finished density of warp yarns of 522/d inch, and a weft yarn of 27 yarns/inch. The obtained woven fabric
After scouring at 0-C, dyeing was carried out using an acid dye and a cationic dye in a one-bath boiling process for 40 minutes. Next, it was subjected to waterproofing and water repellent finishing in the same manner as in Example 1.

As a result, it has a spun-like voluminous texture without slipping or slimy feeling, and has excellent waterproofness and water repellency. Shikamori PS Dining allows for different color dyeing, dark and light dyeing, and a yarn-dyed appearance. A fabric having the following properties was obtained.

Patent applicant: Toyobo Co., Ltd.

Claims (1)

[Scope of Claims] L The fabric is woven using synthetic filament processed yarn with a fineness of 300 to 1500 deniers in either or both of the warp and weft, and is treated with a water-repellent or waterproof finish. Fabric for bags. 2. The fabric for bags according to claim 1, wherein the synthetic filament-processed yarn is a synthetic polyamide filament-processed yarn. Equipment Synthetic filament processed yarn has a crimp rate of 15% or more,
The fabric for bags according to claim 1 or 2, which is a synthetic filament processed yarn having a hot water crimp strength of 10% or more.